Startups that are changing the way business is done in real estate

New Kids on the Block: HouseCall, Updater, Lenda, Lumentus and WikiRealty

Meet the “New Kids on the Block” — the people behind the startups that are changing the way real estate is done: Roland Ligtenberg, co-founder, vice president growth and business development, HouseCall; David Greenberg, founder and CEO, Updater, @davidmcdg; Jason van den Brand, co-founder and CEO, Lenda, @vandenTweet; Adam Selig, founder and managing partner, Lumentus; and Sanjay Kuttemperoor, founder, CEO and president, WikiRealty, @skuttemperoor.